package com.hoongs.v1.utils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundSetOperations;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;

import java.util.*;
import java.util.concurrent.TimeUnit;

/**
 * spring redis 工具类
 **/
@SuppressWarnings(value = { "unchecked", "rawtypes" })
@Component
public class RedisUtil {

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 缓存基本的对象，Integer、String、实体类等
     *
     * @param key   缓存的键值
     * @param value 缓存的值
     * @return 缓存的对象
     */
    public <T> void setCacheObject(final String key, final T value) {
        redisTemplate.opsForValue().set(key, value);
    }

    /**
     * 缓存基本的对象，Integer、String、实体类等
     *
     * @param key      缓存的键值
     * @param value    缓存的值
     * @param timeout  时间
     * @param timeUnit 时间颗粒度
     * @return 缓存的对象
     */
    public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit) {
        redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
    }

    /**
     * 设置有效时间
     *
     * @param key     缓存的键值
     * @param timeout 超市时间
     * @return true=设置成功  false=设置失败
     */
    public boolean expire(final String key, final Integer timeout) {
        return expire(key, timeout, TimeUnit.SECONDS);
    }

    /**
     * 设置有效时间
     *
     * @param key      缓存的键值
     * @param timeout  超市时间
     * @param timeUnit 时间颗粒度
     * @return true=设置成功  false=设置失败
     */
    public boolean expire(final String key, final Integer timeout, final TimeUnit timeUnit) {
        return redisTemplate.expire(key, timeout, timeUnit);
    }

    /**
     * 获得缓存的基本对象。
     *
     * @param key 缓存键值
     * @return 缓存键值对应的数据
     */
    public <T> T getCacheObject(final String key) {
        ValueOperations<String, T> operation = redisTemplate.opsForValue();
        return operation.get(key);
    }

    /**
     * 删除单个对象
     *
     * @param key
     */
    public boolean deleteObject(final String key) {
        return redisTemplate.delete(key);
    }

    /**
     * 删除集合对象
     *
     * @param collection
     */
    public long deleteObject(final Collection collection) {
        return redisTemplate.delete(collection);
    }

    /**
     * 缓存List数据
     *
     * @param key      缓存的键值
     * @param dataList 待缓存的List数据
     * @return 缓存的对象数量
     */
//    public ListOperations<String, Object> setCacheList(final String key, final List<Object> dataList) {
//        ListOperations listOperation = redisTemplate.opsForList();
//        if (null != dataList) {
//            int size = dataList.size();
//            for (Object o : dataList) {
//                listOperation.leftPush(key, o);
//            }
//        }
//        return listOperation;
//    }
    public <T> long setCacheList(final String key, final List<T> dataList) {
        Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
        return count == null ? 0 : count;
    }

    /**
     * 获得缓存的list对象
     *
     * @param key 缓存的键值
     * @return 缓存键值对应的数据
     */
//    public List<Object> getCacheList(final String key) {
//        List<Object> dataList = new ArrayList<>();
//        ListOperations<Object, Object> listOperation = redisTemplate.opsForList();
//        Long size = listOperation.size(key);
//        if (null != size) {
//            for (int i = 0; i < size; i++) {
//                dataList.add(listOperation.index(key, i));
//            }
//        }
//        return dataList;
//    }
    public <T> List<T> getCacheList(final String key) {
        return redisTemplate.opsForList().range(key, 0, -1);
    }

    /**
     * 缓存Set
     *
     * @param key     缓存键值
     * @param dataSet 缓存的数据
     * @return 缓存数据的对象
     */
    public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet) {
        BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
        Iterator<T> it = dataSet.iterator();
        while (it.hasNext()) {
            setOperation.add(it.next());
        }
        return setOperation;
    }

    /**
     * 获得缓存的set
     *
     * @param key
     * @return
     */
    public <T> Set<T> getCacheSet(final String key) {
        return redisTemplate.opsForSet().members(key);
    }

    /**
     * 缓存Map
     *
     * @param key
     * @param dataMap
     * @return
     */
//    public <T> HashOperations<String, String, T> setCacheMap(final String key, Map<String, T> dataMap) {
//        HashOperations hashOperations = redisTemplate.opsForHash();
//        if (dataMap != null) {
//            for (Map.Entry<String, T> entry : dataMap.entrySet()) {
//                hashOperations.put(key, entry.getKey(), entry.getValue());
//            }
//        }
//        return hashOperations;
//    }
    public <T> void setCacheMap(final String key, final Map<String, T> dataMap) {
        if (dataMap != null) {
            redisTemplate.opsForHash().putAll(key, dataMap);
        }
    }

    /**
     * 获得缓存的Map
     *
     * @param key
     * @return
     */
    public <T> Map<String, T> getCacheMap(final String key) {
        return redisTemplate.opsForHash().entries(key);
    }


    /**
     * 缓存Map
     *
     * @param key   Redis键
     * @param hKey  Hash对象
     * @param value Hash中的对象
     * @return
     */
    public <T> HashOperations setCacheMapValue(final String key, final String hKey, final T value) {
        HashOperations hashOperations = redisTemplate.opsForHash();
        redisTemplate.opsForHash().put(key, hKey, value);
        return hashOperations;
    }

    /**
     * 获得Hash中的数据
     *
     * @param key  Redis键
     * @param hKey Hash对象
     * @return Hash中的对象
     */
    public <T> T getCacheMapValue(final String key, final String hKey) {
        HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
        return opsForHash.get(key, hKey);
    }

    /**
     * 删除Hash中的数据
     *
     * @param key  Redis键
     * @param hKey Hash对象
     * @return
     */
    public void delCacheMapValue(final String key, final String hKey) {
        HashOperations opsForHash = redisTemplate.opsForHash();
        opsForHash.delete(key, hKey);
    }


    /**
     * 获取多个Hash中的数据
     *
     * @param key   Redis键
     * @param hKeys Hash对键集合
     * @return Hash中的对象集合
     */
    public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys) {
        return redisTemplate.opsForHash().multiGet(key, hKeys);
    }

    /**
     * 获得缓存的基本对象列表
     *
     * @param pattern 字符串前缀
     * @return 对象列表
     */
    public Collection<String> keys(final String pattern) {
        return redisTemplate.keys(pattern);
    }
}